Apparatus to control fluid flow through a tube



FIG. 1 is a front, top, and right-side perspective view of an apparatus to control fluid flow through a tube, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a back elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a front, top, and right-side perspective view with the door open thereof;

FIG. 9 is a front elevation view with the door open thereof;

FIG. 10 is a right elevational view with the door open thereof;

FIG. 11 is a back elevational view with the door open thereof;

FIG. 12 is a left-side elevational view with the door open thereof;

FIG. 13 is a top plan view with the door open thereof; and,

FIG. 14 is a bottom elevational view with the door open thereof.

The broken lines in the drawings depict portions of the apparatus to control fluid flow through a tube that form no part of the claimed design. 

CLAIM The ornamental design for an apparatus to control fluid flow through a tube, as shown and described. 